Enhancement and feature extraction for images of incised and ink texts
This paper describes the image enhancement techniques that we have used to help historians read three kinds of writing tablets: ink, wooden stilus and lead curse tablet. The techniques include: homomorphic filtering to correct uneven illumination, high-pass filtering to remove shading caused by surf...
| Main Authors: | , , , , |
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| Format: | Journal article |
| Language: | English |
| Published: |
Elsevier
2004
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| Subjects: |